CNBC's Jim Cramer says he could be a believer in a possible year-end stock market rebound if Apple turns in a positive quarterly earnings report after the bell Thursday.

"This is the most binary thing I have seen" in a long time, Cramer said Wednesday on "Squawk on the Street." "If Apple's good, there's nothing left between us and the end of the year," barring the unexpected.

That's because a probable fourth Federal Reserve interest rate hike this year in December and continuing trade tariffs from President Donald Trump are headwinds already priced into the market, the "Mad Money" host said.

"There's a lot of technical damage done and people are freaking out from yesterday's rally," Cramer said. "We're very oversold."